R. H. Williams

Political figures

• Richard H. Williams (New York), American state senator
• Richard Henry Williams, Canadian merchant; mayor of Regina, Saskatchewan

Writers and academics

• Richard Hughes Williams, Welsh-language writer
• Robert H. Williams (physicist), American scientist
• Robin Williams (physicist), Welsh physicist and academic
• Rhys H. Williams (sociologist), American professor of sociology
• Rosalind H. Williams, American historian of technology

Others

• R. H. Williams (rugby player), Welsh rugby union player
• Robert Hardin Williams, American physician, president of Endocrine Society.